Hot melt pressure sensitive adhesives
US4022728A · kind A · utility
49Cited by
4References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 1975 |
| Grant date | May 10, 1977 |
| Priority date | — |
| Expiry date | Jun 10, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/02
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The hot melt pressure sensitive adhesives of the present inventions are blends comprising amorphous polyolefin, a low molecular weight substantially amorphous elastomer, a liquid tackifying resin, and crystalline polypropylene. These pressure sensitive adhesives have a novel combination of properties including good adhesive properties at low temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.